From 7039a05147b8bbfc829babea1c65bd436450b505 Mon Sep 17 00:00:00 2001
From: Björn Stenberg <bjorn@haxx.se>
Date: Mon, 8 Jan 2007 23:53:00 +0000
Subject: Splitting out songdbj

git-svn-id: svn://svn.rockbox.org/rockbox/trunk@11953 a1c6a512-1295-4272-9138-f99709370657
---
 songdbj/com/jcraft/jogg/Buffer.java | 541 ------------------------------------
 1 file changed, 541 deletions(-)
 delete mode 100644 songdbj/com/jcraft/jogg/Buffer.java

(limited to 'songdbj/com/jcraft/jogg/Buffer.java')

diff --git a/songdbj/com/jcraft/jogg/Buffer.java b/songdbj/com/jcraft/jogg/Buffer.java
deleted file mode 100644
index a40a9def9c..0000000000
--- a/songdbj/com/jcraft/jogg/Buffer.java
+++ /dev/null
@@ -1,541 +0,0 @@
-/* -*-mode:java; c-basic-offset:2; -*- */
-/* JOrbis
- * Copyright (C) 2000 ymnk, JCraft,Inc.
- *  
- * Written by: 2000 ymnk<ymnk@jcraft.com>
- *   
- * Many thanks to 
- *   Monty <monty@xiph.org> and 
- *   The XIPHOPHORUS Company http://www.xiph.org/ .
- * JOrbis has been based on their awesome works, Vorbis codec.
- *   
- * This program is free software; you can redistribute it and/or
- * modify it under the terms of the GNU Library General Public License
- * as published by the Free Software Foundation; either version 2 of
- * the License, or (at your option) any later version.
-   
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU Library General Public License for more details.
- * 
- * You should have received a copy of the GNU Library General Public
- * License along with this program; if not, write to the Free Software
- * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
- */
-
-package com.jcraft.jogg;
-
-public class Buffer{
-  private static final int BUFFER_INCREMENT=256;
-
-  private static final int[] mask={
-    0x00000000,0x00000001,0x00000003,0x00000007,0x0000000f,
-    0x0000001f,0x0000003f,0x0000007f,0x000000ff,0x000001ff,
-    0x000003ff,0x000007ff,0x00000fff,0x00001fff,0x00003fff,
-    0x00007fff,0x0000ffff,0x0001ffff,0x0003ffff,0x0007ffff,
-    0x000fffff,0x001fffff,0x003fffff,0x007fffff,0x00ffffff,
-    0x01ffffff,0x03ffffff,0x07ffffff,0x0fffffff,0x1fffffff,
-    0x3fffffff,0x7fffffff,0xffffffff
-  };
-
-  int ptr=0;
-  byte[] buffer=null;
-  int endbit=0;
-  int endbyte=0;
-  int storage=0;
-
-  public void writeinit(){
-    buffer=new byte[BUFFER_INCREMENT]; 
-    ptr=0;
-    buffer[0]=(byte)'\0';
-    storage=BUFFER_INCREMENT;
-  }
-
-  public void write(byte[] s){
-    for(int i=0; i<s.length; i++){
-      if(s[i]==0)break;
-      write(s[i],8);
-    }
-  }
-
-  public void read(byte[] s, int bytes){
-    int i=0;
-    while(bytes--!=0){
-      s[i++]=(byte)(read(8));
-    }
-  }
-
-  void reset(){
-    ptr=0;
-    buffer[0]=(byte)'\0';
-    endbit=endbyte=0;
-  }
-
-  public void writeclear(){
-    buffer=null;
-  }
-
-  public void readinit(byte[] buf, int bytes){
-    readinit(buf, 0, bytes);
-  }
-
-  public void readinit(byte[] buf, int start, int bytes){
-//System.err.println("readinit: start="+start+", bytes="+bytes);
-//for(int i=0;i<bytes; i++){
-//System.err.println(i+": "+Integer.toHexString(buf[i+start]));
-//}
-    ptr=start;
-    buffer=buf;
-    endbit=endbyte=0;
-    storage=bytes;
-  }
-
-  public void write(int value, int bits){
-//System.err.println("write: "+Integer.toHexString(value)+", bits="+bits+" ptr="+ptr+", storage="+storage+", endbyte="+endbyte);
-    if(endbyte+4>=storage){
-      byte[] foo=new byte[storage+BUFFER_INCREMENT];
-      System.arraycopy(buffer, 0, foo, 0, storage);
-      buffer=foo;
-      storage+=BUFFER_INCREMENT;
-    }
-
-    value&=mask[bits];
-    bits+=endbit;
-    buffer[ptr]|=(byte)(value<<endbit);
-
-    if(bits>=8){
-      buffer[ptr+1]=(byte)(value>>>(8-endbit));
-      if(bits>=16){
-        buffer[ptr+2]=(byte)(value>>>(16-endbit));  
-        if(bits>=24){
-	  buffer[ptr+3]=(byte)(value>>>(24-endbit));  
-          if(bits>=32){
-	    if(endbit>0)
-	      buffer[ptr+4]=(byte)(value>>>(32-endbit));
-	    else
-	      buffer[ptr+4]=0;
-	  }
-        }
-      }
-    }
-
-    endbyte+=bits/8;
-    ptr+=bits/8;
-    endbit=bits&7;
-  }
-
-  public int look(int bits){
-    int ret;
-    int m=mask[bits];
-
-    bits+=endbit;
-
-//System.err.println("look ptr:"+ptr+", bits="+bits+", endbit="+endbit+", storage="+storage);
-
-    if(endbyte+4>=storage){
-      if(endbyte+(bits-1)/8>=storage)return(-1);
-    }
-  
-    ret=((buffer[ptr])&0xff)>>>endbit;
-//  ret=((byte)(buffer[ptr]))>>>endbit;
-    if(bits>8){
-    ret|=((buffer[ptr+1])&0xff)<<(8-endbit);
-//      ret|=((byte)(buffer[ptr+1]))<<(8-endbit);
-      if(bits>16){
-      ret|=((buffer[ptr+2])&0xff)<<(16-endbit);
-//        ret|=((byte)(buffer[ptr+2]))<<(16-endbit);
-        if(bits>24){
-	  ret|=((buffer[ptr+3])&0xff)<<(24-endbit);
-//System.err.print("ret="+Integer.toHexString(ret)+", ((byte)(buffer[ptr+3]))="+Integer.toHexString(((buffer[ptr+3])&0xff)));
-//	  ret|=((byte)(buffer[ptr+3]))<<(24-endbit);
-//System.err.println(" ->ret="+Integer.toHexString(ret));
- 	  if(bits>32 && endbit!=0){
-	    ret|=((buffer[ptr+4])&0xff)<<(32-endbit);
-//	    ret|=((byte)(buffer[ptr+4]))<<(32-endbit);
-	  }
-        }
-      }
-    }
-    return(m&ret);
-  }
-
-  public int look1(){
-    if(endbyte>=storage)return(-1);
-    return((buffer[ptr]>>endbit)&1);
-  }
-
-  public void adv(int bits){
-    bits+=endbit;
-    ptr+=bits/8;
-    endbyte+=bits/8;
-    endbit=bits&7;
-  }
-
-  public void adv1(){
-    ++endbit;
-    if(endbit>7){
-      endbit=0;
-      ptr++;
-      endbyte++;
-    }
-  }
-
-  public int read(int bits){
-//System.err.println(this+" read: bits="+bits+", storage="+storage+", endbyte="+endbyte);
-//System.err.println(this+" read: bits="+bits+", storage="+storage+", endbyte="+endbyte+
-//                        ", ptr="+ptr+", endbit="+endbit+", buf[ptr]="+buffer[ptr]);
-
-    int ret;
-    int m=mask[bits];
-
-    bits+=endbit;
-
-    if(endbyte+4>=storage){
-      ret=-1;
-      if(endbyte+(bits-1)/8>=storage){
-        ptr+=bits/8;
-        endbyte+=bits/8;
-        endbit=bits&7;
-        return(ret);
-      }
-    }
-
-/*  
-    ret=(byte)(buffer[ptr]>>>endbit);
-    if(bits>8){
-      ret|=(buffer[ptr+1]<<(8-endbit));  
-      if(bits>16){
-        ret|=(buffer[ptr+2]<<(16-endbit));  
-        if(bits>24){
-	  ret|=(buffer[ptr+3]<<(24-endbit));  
-  	  if(bits>32 && endbit>0){
-  	    ret|=(buffer[ptr+4]<<(32-endbit));
-  	  }
-        }
-      }
-    }
-*/
-    ret=((buffer[ptr])&0xff)>>>endbit;
-    if(bits>8){
-    ret|=((buffer[ptr+1])&0xff)<<(8-endbit);
-//      ret|=((byte)(buffer[ptr+1]))<<(8-endbit);
-      if(bits>16){
-      ret|=((buffer[ptr+2])&0xff)<<(16-endbit);
-//        ret|=((byte)(buffer[ptr+2]))<<(16-endbit);
-        if(bits>24){
-	  ret|=((buffer[ptr+3])&0xff)<<(24-endbit);
-//	  ret|=((byte)(buffer[ptr+3]))<<(24-endbit);
- 	  if(bits>32 && endbit!=0){
-	    ret|=((buffer[ptr+4])&0xff)<<(32-endbit);
-//	    ret|=((byte)(buffer[ptr+4]))<<(32-endbit);
-	  }
-        }
-      }
-    }
-
-    ret&=m;
-
-    ptr+=bits/8;
-//    ptr=bits/8;
-    endbyte+=bits/8;
-//    endbyte=bits/8;
-    endbit=bits&7;
-    return(ret);
-  }
-
-  public int readB(int bits){
-    //System.err.println(this+" read: bits="+bits+", storage="+storage+", endbyte="+endbyte+
-    //                        ", ptr="+ptr+", endbit="+endbit+", buf[ptr]="+buffer[ptr]);
-    int ret;
-    int m=32-bits;
-
-    bits+=endbit;
-
-    if(endbyte+4>=storage){
-      /* not the main path */
-      ret=-1;
-      if(endbyte*8+bits>storage*8) {
-	ptr+=bits/8;
-	endbyte+=bits/8;
-	endbit=bits&7;
-	return(ret);
-      }
-    }
-
-    ret=(buffer[ptr]&0xff)<<(24+endbit);
-    if(bits>8){
-      ret|=(buffer[ptr+1]&0xff)<<(16+endbit);
-      if(bits>16){
-	ret|=(buffer[ptr+2]&0xff)<<(8+endbit);
-	if(bits>24){
-	  ret|=(buffer[ptr+3]&0xff)<<(endbit);
-	  if(bits>32 && (endbit != 0))
-	    ret|=(buffer[ptr+4]&0xff)>>(8-endbit);
-	}
-      }
-    }
-    ret=(ret>>>(m>>1))>>>((m+1)>>1);
-
-    ptr+=bits/8;
-    endbyte+=bits/8;
-    endbit=bits&7;
-    return(ret);
-  }
-
-  public int read1(){
-    int ret;
-    if(endbyte>=storage){
-      ret=-1;
-      endbit++;
-      if(endbit>7){
-        endbit=0;
-        ptr++;
-        endbyte++;
-      }
-      return(ret);
-    }
-
-    ret=(buffer[ptr]>>endbit)&1;
-
-    endbit++;
-    if(endbit>7){
-      endbit=0;
-      ptr++;
-      endbyte++;
-    }
-    return(ret);
-  }
-
-  public int bytes(){
-    return(endbyte+(endbit+7)/8);
-  }
-
-  public int bits(){
-    return(endbyte*8+endbit);
-  }
-
-  public byte[] buffer(){
-    return(buffer);
-  }
-
-  public static int ilog(int v){
-    int ret=0;
-    while(v>0){
-      ret++;
-      v>>>=1;
-    }
-    return(ret);
-  }
-
-  public static void report(String in){
-    System.err.println(in);
-    System.exit(1);
-  }
-
-  /*
-  static void cliptest(int[] b, int vals, int bits, int[] comp, int compsize){
-    int bytes;
-    byte[] buffer;
-
-    o.reset();
-    for(int i=0;i<vals;i++){
-      o.write(b[i],((bits!=0)?bits:ilog(b[i])));
-    }
-    buffer=o.buffer();
-    bytes=o.bytes();
-System.err.println("cliptest: bytes="+bytes);
-    if(bytes!=compsize)report("wrong number of bytes!\n");
-    for(int i=0;i<bytes;i++){
-      if(buffer[i]!=(byte)comp[i]){
-        for(int j=0;j<bytes;j++){
-          System.err.println(j+": "+Integer.toHexString(buffer[j])+" "+
-                             Integer.toHexString(comp[j]));
-	}
-	report("wrote incorrect value!\n");
-      }
-    }
-System.err.println("bits: "+bits);
-    r.readinit(buffer,bytes);
-    for(int i=0;i<vals;i++){
-      int tbit=(bits!=0)?bits:ilog(b[i]);
-System.err.println(Integer.toHexString(b[i])+" tbit: "+tbit); 
-      if(r.look(tbit)==-1){
-        report("out of data!\n");
-      }
-      if(r.look(tbit)!=(b[i]&mask[tbit])){
-        report(i+" looked at incorrect value! "+Integer.toHexString(r.look(tbit))+", "+Integer.toHexString(b[i]&mask[tbit])+":"+b[i]+" bit="+tbit);
-      }
-      if(tbit==1){
-        if(r.look1()!=(b[i]&mask[tbit])){
-  	  report("looked at single bit incorrect value!\n");
-	}
-      }
-      if(tbit==1){
-        if(r.read1()!=(b[i]&mask[tbit])){
-	  report("read incorrect single bit value!\n");
-	}
-      }
-      else{
-	if(r.read(tbit)!=(b[i]&mask[tbit])){
-	  report("read incorrect value!\n");
-	}
-      }
-    }
-    if(r.bytes()!=bytes){
-      report("leftover bytes after read!\n");
-    }
-  }
-
-  static int[] testbuffer1=
-    {18,12,103948,4325,543,76,432,52,3,65,4,56,32,42,34,21,1,23,32,546,456,7,
-       567,56,8,8,55,3,52,342,341,4,265,7,67,86,2199,21,7,1,5,1,4};
-  static int test1size=43;
-
-  static int[] testbuffer2=
-    {216531625,1237861823,56732452,131,3212421,12325343,34547562,12313212,
-       1233432,534,5,346435231,14436467,7869299,76326614,167548585,
-       85525151,0,12321,1,349528352};
-  static int test2size=21;
-
-  static int[] large=
-    {2136531625,2137861823,56732452,131,3212421,12325343,34547562,12313212,
-       1233432,534,5,2146435231,14436467,7869299,76326614,167548585,
-       85525151,0,12321,1,2146528352};
-
-  static int[] testbuffer3=
-    {1,0,14,0,1,0,12,0,1,0,0,0,1,1,0,1,0,1,0,1,0,1,0,1,0,1,0,0,1,1,1,1,1,0,0,1,
-       0,1,30,1,1,1,0,0,1,0,0,0,12,0,11,0,1,0,0,1};
-  static int test3size=56;
-
-  static int onesize=33;
-  static int[] one={146,25,44,151,195,15,153,176,233,131,196,65,85,172,47,40,
-                    34,242,223,136,35,222,211,86,171,50,225,135,214,75,172,
-                    223,4};
-
-  static int twosize=6;
-  static int[] two={61,255,255,251,231,29};
-
-  static int threesize=54;
-  static int[] three={169,2,232,252,91,132,156,36,89,13,123,176,144,32,254,
-                      142,224,85,59,121,144,79,124,23,67,90,90,216,79,23,83,
-                      58,135,196,61,55,129,183,54,101,100,170,37,127,126,10,
-                      100,52,4,14,18,86,77,1};
-
-  static int foursize=38;
-  static int[] four={18,6,163,252,97,194,104,131,32,1,7,82,137,42,129,11,72,
-                     132,60,220,112,8,196,109,64,179,86,9,137,195,208,122,169,
-                     28,2,133,0,1};
-
-  static int fivesize=45;
-  static int[] five={169,2,126,139,144,172,30,4,80,72,240,59,130,218,73,62,
-                     241,24,210,44,4,20,0,248,116,49,135,100,110,130,181,169,
-                     84,75,159,2,1,0,132,192,8,0,0,18,22};
-
-  static int sixsize=7;
-  static int[] six={17,177,170,242,169,19,148};
-
-  static Buffer o=new Buffer();
-  static Buffer r=new Buffer();
-
-  public static void main(String[] arg){
-    byte[] buffer;
-    int bytes;
-//  o=new Buffer();
-//  r=new Buffer();
-
-    o.writeinit();
-
-    System.err.print("\nSmall preclipped packing: ");
-    cliptest(testbuffer1,test1size,0,one,onesize);
-    System.err.print("ok.");
-
-    System.err.print("\nNull bit call: ");
-    cliptest(testbuffer3,test3size,0,two,twosize);
-    System.err.print("ok.");
-
-    System.err.print("\nLarge preclipped packing: ");
-    cliptest(testbuffer2,test2size,0,three,threesize);
-    System.err.print("ok.");
-
-    System.err.print("\n32 bit preclipped packing: ");
-    o.reset();
-    for(int i=0;i<test2size;i++)
-      o.write(large[i],32);
-    buffer=o.buffer();
-    bytes=o.bytes();
-
-
-    r.readinit(buffer,bytes);
-    for(int i=0;i<test2size;i++){
-      if(r.look(32)==-1){
-	report("out of data. failed!");
-      }
-      if(r.look(32)!=large[i]){
-	System.err.print(r.look(32)+" != "+large[i]+" ("+
-                         Integer.toHexString(r.look(32))+"!="+
-                         Integer.toHexString(large[i])+")");
-	report("read incorrect value!\n");
-      }
-      r.adv(32);
-    }
-    if(r.bytes()!=bytes)report("leftover bytes after read!\n");
-    System.err.print("ok.");
-
-    System.err.print("\nSmall unclipped packing: ");
-    cliptest(testbuffer1,test1size,7,four,foursize);
-    System.err.print("ok.");
-
-    System.err.print("\nLarge unclipped packing: ");
-    cliptest(testbuffer2,test2size,17,five,fivesize);
-    System.err.print("ok.");
-
-    System.err.print("\nSingle bit unclicpped packing: ");
-    cliptest(testbuffer3,test3size,1,six,sixsize);
-    System.err.print("ok.");
-
-    System.err.print("\nTesting read past end: ");
-    r.readinit("\0\0\0\0\0\0\0\0".getBytes(),8);
-    for(int i=0;i<64;i++){
-      if(r.read(1)!=0){
-	System.err.print("failed; got -1 prematurely.\n");
-	System.exit(1);
-      }
-    }
-
-    if(r.look(1)!=-1 ||
-       r.read(1)!=-1){
-      System.err.print("failed; read past end without -1.\n");
-      System.exit(1);
-    }
-
-    r.readinit("\0\0\0\0\0\0\0\0".getBytes(),8);
-    if(r.read(30)!=0 || r.read(16)!=0){
-      System.err.print("failed 2; got -1 prematurely.\n");
-    System.exit(1);
-    }
-
-    if(r.look(18)!=0 ||
-       r.look(18)!=0){
-      System.err.print("failed 3; got -1 prematurely.\n");
-      System.exit(1);
-    }
-    if(r.look(19)!=-1 ||
-       r.look(19)!=-1){
-      System.err.print("failed; read past end without -1.\n");
-      System.exit(1);
-    }
-    if(r.look(32)!=-1 ||
-       r.look(32)!=-1){
-      System.err.print("failed; read past end without -1.\n");
-      System.exit(1);
-    }
-    System.err.print("ok.\n\n");
-  }
-  */
-}
-
-
-
-
-
-- 
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